However, when people want to find other people they use Google.

If you don't want to pay a not unsubstantial annual recurring charge indefinitely, you can just use other free online address books, where you can be found via Google on a name search.

For instance, you can get a free listing at WikiWorldBook which enables you to be easily found via Google, and messaged via the website. You can publish as much or as little of your contact information as you want.

The website’s message gateway allows users to be contacted without having to reveal their email address. After checking any messages for spam, the message system forwards on the messages to the registered user’s email account, so they don’t have to return to the site. Uniquely, the person contacting them doesn’t have to be registered, thus enabling people to reconnect as easily as possible.